成人免费xx,国产又黄又湿又刺激不卡网站,成人性视频app菠萝网站,色天天天天

???[[??(2-???????)???]??]??????

???[[??(2-???????)???]??]??????
???[[??(2-???????)???]??]?????? ??? ???
?? ??:
38843-86-6
???:
???[[??(2-???????)???]??]??????
???(??):
???[[??(2-???????)???]??]??????
???:
dimethyl [[bis(2-hydroxypropyl)amino]methyl]phosphonate
???(??):
dimethyl [[bis(2-hydroxypropyl)amino]methyl]phosphonate;[[Bis(2-hydroxypropyl)amino]methyl]phosphonic acid dimethyl ester
CBNumber:
CB3903159
???:
C9H22NO5P
??? ??:
255.248441
MOL ??:
38843-86-6.mol

???[[??(2-???????)???]??]?????? ??

??

???[[??(2-???????)???]??]?????? C??? ??, ??, ??

???[[??(2-???????)???]??]?????? ?? ?? ? ???

???

?? ??

???[[??(2-???????)???]??]?????? ?? ??

???( 2)?? ??
??? ?? ??? ?? ?? ? ??
DAYANG CHEM (HANGZHOU) CO.,LTD 		+86-88938639 +86-17705817739
 thtang@dycnchem.com China 53900 58
Copyright 2019 ? ChemicalBook. All rights reserved